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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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17 ore 16 min, 19 dic 1915 anni - Engineers S. E. Bramer, Jacob Roth, F. R. S. Kaplan, Simon Loeb and William Smith, Sr. create the first permanent metallurgical bond between copper and steel in Rankin, Pennsylvania
Aggiunto al nastro di tempo:
Warren Steel
By
Johnny
12 nov 2017
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0
702
Data:
17 ore 16 min, 19 dic 1915 anni
Adesso
~ 109 years ago
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